Plug-switch.



H. E, LBPFERT.

K PLUG SWITGH. LPPLIoATIbN Hmm MM5, 1909. 969,787. Patented sept. 13,i910 2 SHEETS-SHEET 1.

Tri-einem orrlion.

itsiin, county llertiorcl, Siete, of Vi1 lurvc infen il loin new unilmiro l s in .i lug L'iwi-ltclics, of iEollov/,ngg e. Yiull. c leiir,anni Inscription. invention rele' to plug siviiclics, end or its ob'cctto 1; oiluce :i terminal lluvcontnct lso nxounieil ibut when ille plug":ict vili eesily niovc or .t :is to centi-i ving been ,found ilizitcontacts heretofore il are oii` ni'irncs injured by tbc inscrtioi'i eplug which is not propr lv centered. Another object ci my invenrion is'to prorirle u contact floating us above described, of consu arablelengt-li, in the direction of the oi the plug, und movably supported atpoint in proximiiyto Where tbe plug marlies engagement.

Another object of my invention is to provine s. terminal baring :icontact Wliicli, when the plug' is witl'iflrufwn, vfill snap civ y fromthe.' plugs/:1 :is to always produce quick break between' the Contactnucl tbe plug. Ey this nie-uns, injury,T flue 'lo burning when 'the plugis Witndrown Yliile the tren.;- leting devices are still in circuit, is'practically eliminated. suoli means, if velle plug is slowly withdrawnAivliile the. translating devices are in circuit, :i very considerableburning is liable to occur F upon tlie plug and upon tlie contact.

'l'lie following is clricription ci :i device embodying my invention, ri'ence being limi to the ucconipiu'lying drawings, in

Which-- w71igure l shows :i plug and plug receptacle. embodying luyinvention. g. is un enM lzirged. pluri view of tlxe terminal :and itscontact. Fig. 3 iso sioview of 2 with plug inserted. Fig. l shows the.seine when the plug is about to be removed. Fig. 5 shows tbe seme withtile plug just removed, te lie'ng in section. Fig. o shows e4 clell 7shows modiiciy .l

Specificetioi?. ol" Letters 'ateut.

Ennis Lnrrnm, i, the DI .o initiates, ing ut tscli upon tnc plug, it

ln tbc absence of sonicA Corinna-ciccia, essionoe. *ro EEE een@ rimuo-19ml. Serial No. lf3/4,176.

vifleclvivitli a hole in which is .mounted e hollow sleeve D havingflanges E and F :it its upper lower ends. Between thc bracket mici theflange 'F is e. spring (l, which liolcls tbe upper flange E in intiinclcContact ,Willi the bracket C. Tlieliole in the relucir-ct isconsiclcrz'ibly larger than tbe cyliniler D., as to permit the cylinderto inove roin sid-e to sicle therein, or, l terni it, iloet. Securecl tothe bottom oi' the cylinder D is e. contact H having four springisivsinto which tbe plug I lit-s. lf the plug, as it'passcs through theopening in `tbe face-plate J, is not centeredv relagzigement with tbeContact Will conse the dran/'11, tbe Contact ll follows it until lthespiral spring l( 'is compressed. The head prevents further movement,whereupon the plug pulls out of the Contact and the contact snaps backunder action of the spiral spring K, thereby causing c. quick break evenif the plug is Withdrawn slowly. By properly 'con be secured, eventhough the Contact H has no movement relu-tively to the cylinder .D.-l/Vhen the contact moves relatively to the cylinder D, l provide springs'N for provii'ling u. goed electrical connection between 'the contact llancltlie cylinder D. i I

ln the modification shown in Figs. 7, 8 9, e leef spi/'ing G is usedinstezullof a spiral spring surrounding the cylinder, unil the lowerflange F upon tbe cylinder D- brouglit correspondingly.- uearer thebracket. This cons@Factionr also permits of Heating.' The censtruction).is otherwise the s las the construction shown in Figs.y 1y to in and'the sume reference lettersj.:with an' exponent.. tbe various structurestheir may em body my invention, those'specically shown cnil describedherein are the preferred forms. ll/hit I claim 1. lil e. plug switch,the combination of a plug, e. contact having contact surfaces exthe'directioneof the a-Xiso 'the i tending 1n raieutec sept. 13, icio.

.tively to tbe jaws of tlie contact H, its en Contact, together with thecylinder, to move proportioning the spring Gr, the snap actionv theresult, so for es oeting is concerrief.A the scirio 1n both cases and:slmlar parte beer;

C il

ce l

Sli

p1u.g,0ne of said mmbers being cup-si1apecl in the direction of the axis0]" file plug, al' and the otller'tting tlrein, and a, supp@ 't spwl-ttherein-located. inA prox ity lo the 'for said Contact` located inproximity to the mouth of saicl @peiling a cairim :E01- said Outleedgsof said surfaces, Said Contactbe- Contact intrpsml between salicicontant and 5 ing cone'cted to'said support by a. sliding Qaifl'support,said carrier being connected to 45 connection so :1s-t0 D transvei'sslymovaible said support so as tmb@ transversely movrlatively to saidsupport. able, .said cfmtact 339mg cotmcctid to Suid 2. Ilia;t plug'swith, fthe Combination of carrier by a pin, and a co-mplession spring;a plug7 a Contact having on't'act Surfaces eX surrounding said. pin. 10tending in `fahr: dircton of the axisof thev 6. ln a plug switch, thecombination of a 50 plugncl'aws'uppmrt tliereforlocatedir. pmx plz'g; :lContact engzzffacl by smid plug, a.' imity to tllemouth osaid jaws, saidC0311- .memllic conta@t-sugnporting member :gldapted lactbeingc'onilected t@ said supgpm.' 'to be ulccrcally fniiccccl t@ a circuitter- 't be transversely imo\:,f'al3le,v anal L longitw miiml and in theeifecrical circuit 0l which dinally ating :aiming insuring gocl elecsaid Contact i'ms a. part, spring tending trica-l continuity betweensaid Contact and to move said Contact in he dii'ectn of lle Said supportaxis; oif'saicl plug;7 ill@ engagement between In. plug switch7tliecombinatixi Emi@ plugland said cominci; being sullicicii plug, aSpring cpntact ha'v j jaw/s extemlto. @vercorg lli@ 'esloii of Saidspi-ing as 1mg in the directwi of lli-e of the plug; Said plug 1sWltliclilmvu, mail u supplemental 6o z), suppoyttherefor located. inproximity' to spring @lectically connected 'lo said Contact the 'mouthof said jaws, a, carrier' fr said. and'. having l Sliding engagementwith au Contact inerposd betwel Said coi'uaeb and udjzment po'lion ofsaid eircui'r.

said Sugg-mii, Suid carrieijbeing swim-med i0 f1 in ziplug ecpliacle,lle comblnatiml sind slimwrt so 'to bf; transversely mow nl a suppclr, acontact., a plaie cm1-mil by 55 abl. s, hauled l l support, snid'cutactnavi 4h ln. ziplug .imrich7 the combiiM-ian of :L @iii extending heeiwthi-@ugh plate plug, a, spring rommel having' aWs ez'indmi@ @Springsui'mmiding will pin beweii :mg in the iii'ectiioil @it ih@ @ftllejplug? smal plats. and the li ul al" p11*., 3Q and Sippm'l; thereinlgcated in pioxn "1y im n plug me@ filiali?, the mnibmnlion if@ l@ themouth-of Said 3mm, a, carrier fm? :will @ilE a supgm :i @mi 5l, llzmgesoperatively uonm inlmpffecl helnwein. will contammnl cmmacileil lo suiflcilllclx azul ex'ezuling nl; said swppt, Said amitier heilig con@ ated elo lli@ Gl? Suid umiliati? me voli to sflifl Supjsvoil; as il@ be'bmisvsi'ely said l lil-ms exgaginc5 support, und L l movable, :said mahaving fewo flammes-@11 "-\.,v.'zfffil 'fw @tin flange :mil :willopposailieides @i Maidsupf'wi't5 21ml :i s ring 'suppm=l:. inelposeflluetw i1-ame 0f Said l'lang/ud. lil'lllllfl L''flilrll'-" vWilp? mid san ai Si' 'Ply 'Elle mmlamallmi a l2.

l 5., @if 10 plu a @intact hav;

,L S'-LfNN? 11g an @peiling extending v J. T. CLARKE.

ballen/: 9695387, gi'mid meptember i3,

oufa; will tha/E; im .esid Lamers paient Should. :remi u li i'rectiontherein' lm-Ll f 1 Mmmm Correctionm It is hereby certified that inLetters Patent No.v 969,787, grnnted September 13, i910, upon theapplication of Henry E. Leppert, of New Britain, Connecticut, for animprm'einent in Pl11g-Swtches, an error appears in thr: printudspecification requiring cnrrection as fo1loWs: Page 2, line L the wordurtlri." should read aur; and that the said Letters Patent. shnud beread with this umn-action therein that the same may conform 'to th-erecord cgf the case in the Patent, Oce.

'Sgnd and sealed'ths 4th day Q'f October, A. D., 1910.

E. B. MOORE,

